WxFruit

From HaskellWiki

wxFruit is a graphical user interface that combines some of the power and versatility of wxHaskell with the elegance and simplicity of Fruit. The interface of wxFruit has a functional style, using arrows, whereas wxHaskell has an object oriented style.

The package includes a demo game, PaddleBall:

After installing wxFruit, type paddle at a shell prompt to start the game; try to keep the ball in the game, using the mouse to move the paddle.